63263518873 has 2 divisors, whose sum is σ = 63263518874. Its totient is φ = 63263518872.

The previous prime is 63263518811. The next prime is 63263518897. The reversal of 63263518873 is 37881536236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55772962569 + 7490556304 = 236163^2 + 86548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63263518873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63263518873.

It is not a weakly prime, because it can be changed into another prime (63263518573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31631759436 + 31631759437.

It is an arithmetic number, because the mean of its divisors is an integer number (31631759437).

Almost surely, 2^63263518873 is an apocalyptic number.

It is an amenable number.

63263518873 is a deficient number, since it is larger than the sum of its proper divisors (1).

63263518873 is an equidigital number, since it uses as much as digits as its factorization.

63263518873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 52.

The spelling of 63263518873 in words is "sixty-three billion, two hundred sixty-three million, five hundred eighteen thousand, eight hundred seventy-three".